hg: jdk7/hotspot-comp/hotspot: 6736417: Fastdebug C2 crashes in StoreBNode::Ideal

[vladimir.kozlov at sun.com]

Changeset: ab075d07f1ba
Author:    kvn
Date:      2008-08-27 09:15 -0700
URL:       http://hg.openjdk.java.net/jdk7/hotspot-comp/hotspot/rev/ab075d07f1ba

6736417: Fastdebug C2 crashes in StoreBNode::Ideal
Summary: The result of step_through_mergemem() and remove_dead_region() is not checked in some cases.
Reviewed-by: never

! src/share/vm/opto/callnode.cpp
! src/share/vm/opto/connode.cpp
! src/share/vm/opto/divnode.cpp
! src/share/vm/opto/memnode.cpp
! src/share/vm/opto/node.cpp
! src/share/vm/opto/phaseX.cpp